I don't want to make the wrong decision and regret it later.

我不想作出错误的决定，以后后悔。

《柯林斯英汉双解大词典》

Bid farewell to guilt and regret.

跟内疚和遗憾告别吧。

youdao

Viewing the past in high definition can make it very difficult to get over pain and regret.

对过去的一切看得太清晰，会让你很难忘记痛苦和遗憾。

youdao

His father had expressed his shock and regret over his son's actions,"

VOA: standard.2009.12.28

Can you work up anger and regret and dismay over that?

你会因此而变得生气，懊悔和沮丧吗？

耶鲁公开课 - 死亡课程节选

But still she contacted this person, spent time with him and later came to regret it.

但你的朋友还是联系了这个人，跟他相处了一段时间，慢慢有点后悔了。

I should have 课堂 - SpeakingMax英语口语达人

Richard Myers and other top Pentagon leaders, repeatedly expressed their dismay and regret about the abuse.

CNN: Rumsfeld tells Congress of his 'failure'

"We sincerely apologise and regret the impact this outage had on all of you, " he said.

BBC: Outlook.com screenshot

For 10 years, until he finds her again, he is plagued by guilt and regret.

CNN: ASIANOW - TIME Asia